I am pretty sure it's a thing with the font. If you create a new folder under the kobo ereader main thing named "fonts", you can copy .ttf files in there. Here is a video tutorial on the process:
http://www.youtube.com/watch?feature...&v=KU7JpaKlyMc
However this didn't work with my epub file when I tried it. So I'm going to sleep and keep searching.